Bounds on fluctuations for ensembles of quantum thermal machines
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ac4c10
Abstract: We study universal aspects of fluctuations in an ensemble of noninteracting continuous quantum thermal machines in the steady-state limit, beyond linear response. Considering an individual machine, such as a refrigerator, in which relative fluctuations (and… read more here.
Keywords: fluctuations ensembles; lower bound; bounds fluctuations; thermal machines ... See more keywords
Quantum and thermal fluctuations of a thin elastic plate
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.144101
Abstract: We consider a Hamiltonian description of the vibrations of a clamped, elastic circular plate. The Hamiltonian of this system features a potential energy with two distinct contributions: one that depends on the local mean curvature… read more here.
Keywords: fluctuations thin; elastic plate; thin elastic; thermal fluctuations ... See more keywords
Geometric properties of adiabatic quantum thermal machines
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DOI: 10.1103/physrevb.102.155407
Abstract: A quantum thermal machine can be controlled by time-periodic perturbations that define a cycle, as in conventional macroscopic thermal machines. This paper presents a general and unified approach to the study of quantum thermal machines,… read more here.
Keywords: geometric properties; quantum thermal; properties adiabatic; thermal machines ... See more keywords
Floquet quantum thermal transistor.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review. E"
DOI: 10.1103/physreve.106.024110
Abstract: We apply periodic control to realize a quantum thermal transistor, which we term as the Floquet quantum thermal transistor. Periodic modulation allows us to control the heat flows and achieve large amplification factors even for… read more here.
Keywords: floquet quantum; thermal transistor; quantum thermal; quantum ... See more keywords
Multifunctional quantum thermal device utilizing three qubits.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.99.032112
Abstract: Quantum thermal devices which can manage heat as their electronic analogs for the electronic currents have attracted increasing attention. Here a three-terminal quantum thermal device is designed by three coupling qubits interacting with three heat… read more here.
Keywords: heat; heat current; thermal device; quantum thermal ... See more keywords